diff --git a/t/script.t b/t/script.t
index 4254937..9521d73 100644
--- a/t/script.t
+++ b/t/script.t
@@ -66,7 +66,8 @@
 # Uncompress GOE/AGA/00000/data.xml from zip file
   $t->unzip_xml('GOE/AGA/00000/data.xml')
     ->attr_is('raw_text', 'docid', 'GOE_AGA.00000', 'text id')
-    ->text_like('raw_text > text', qr!^Campagne in Frankreich 1792.*?uns allein begl.*cke\.$!, 'text content');
+    ->text_like('raw_text > text', qr!^Campagne in Frankreich 1792.*?uns allein begl.*cke\.$!, 'text content')
+    ->text_like('raw_text > text', qr!unter dem Titel "Kriegstheater"!, 'text content');
 
   $t->unzip_xml('GOE/AGA/00000/struct/structure.xml')
     ->text_is('span[id=s3] *[name=type]', 'Autobiographie', 'text content')
diff --git a/t/tei.t b/t/tei.t
index 94f7577..69b4ee1 100644
--- a/t/tei.t
+++ b/t/tei.t
@@ -9,7 +9,7 @@
 
 use Test::KorAP::XML::TEI qw!korap_tempfile test_tei2korapxml!;
 
-use_ok('KorAP::XML::TEI', 'remove_xml_comments', 'escape_xml');
+use_ok('KorAP::XML::TEI', 'remove_xml_comments', 'escape_xml', 'escape_xml_minimal');
 
 subtest 'remove_xml_comments' => sub {
   my ($fh, $filename) = korap_tempfile('tei');
@@ -87,5 +87,31 @@
   );
 };
 
+subtest 'escape_xml_minimal' => sub {
+  is(
+      escape_xml_minimal('"""'),
+      '"""'
+  );
+
+  is(
+      escape_xml_minimal('&&&'),
+      '&amp;&amp;&amp;'
+  );
+
+  is(
+      escape_xml_minimal('<<<'),
+      '&lt;&lt;&lt;'
+  );
+
+  is(
+      escape_xml_minimal('>>>'),
+      '&gt;&gt;&gt;'
+  );
+
+  is(
+      escape_xml_minimal('<tag att1="foo" att2="bar">C&A</tag>'),
+      '&lt;tag att1="foo" att2="bar"&gt;C&amp;A&lt;/tag&gt;'
+  );
+};
 
 done_testing;